Why can't the baby sleep on the tummy like we used to?

Research found that back sleeping sharply lowers the risk of sudden infant death. The AAP recommends placing babies on their back for every sleep through the first year. Babies who sleep on the back are much less likely to die suddenly than those who sleep on the stomach or side. Side sleeping is not a safe alternative. This guidance changed in the 1990s, after many of today's grandparents had already raised their children, which is why it feels new to them.

Are crib bumpers really unsafe, even the breathable mesh kind?

Yes. Current safe-sleep guidance is to remove all bumper pads from the crib, including padded, mesh, and 'breathable' versions sold as safer. The recommendation is a bare crib: a firm, flat mattress with a tight-fitting sheet and nothing else. Pillows, blankets, quilts, and stuffed animals also stay out. A wearable blanket or sleep sack provides warmth without anything loose in the sleep space.

Why is honey off-limits before age 1?

The CDC says plainly: do not feed honey to a child younger than 1 year old. Honey can contain spores that, in a baby's immature gut, can cause infant botulism, a serious illness affecting the muscles and breathing. This includes honey stirred into food and honey on a pacifier; the CDC has reported babies in Texas who became ill after using honey pacifiers. After the first birthday, honey is fine. Until then, even a small taste should be avoided.

Isn't pre-chewing food a normal way to help a baby eat?

It was once common, but it is no longer advised. Chewing a baby's food first transfers bacteria from an adult's mouth to the baby, which the CDC has linked to disease transmission. Instead, mash soft foods with a fork or cut them into small, soft pieces the baby can manage. Avoid common choking hazards in the first year, such as whole grapes, nuts, popcorn, raw vegetables, chunks of meat or cheese, and hard candy.

Why does the car seat stay rear-facing so long now?

The AAP advises keeping a child rear-facing as long as possible, up to the highest height or weight the car seat's manufacturer allows. Many convertible seats allow rear-facing to age 2 or beyond. The AAP removed the old 'turn at age 2' milestone in favor of using the seat's limits, because rear-facing better protects a young child's head, neck, and spine in a crash. Children younger than 13 ride in the back seat.

How do I correct a grandparent without offending them?

Separate the person from the rule. Acknowledge that they raised healthy children and that the advice has since changed, then state the current rule plainly and say it applies in every home. For example: 'You raised three healthy kids, so this isn't about doing it wrong. The doctors changed the rules, and our pediatrician is firm on this one.' If they push back, you can hold the boundary calmly: 'You don't have to agree with all of it. I'm asking you to do it our way for the baby.' Offering to ask the pediatrician together can help them hear it from a trusted source.

Grandparents · 0–12 mo

What to Tell Grandparents About Safe Sleep (and What Changed)

Creator: ParentFlow
Published: 2026-06-17

If your parents raised you on your tummy, in a crib full of soft blankets, they were following the best advice of their time. The advice changed.

Grandparents and older caregivers raised healthy children using the guidance available then. Several of those rules have since been reversed by research. This is not a verdict on how they parented. It is a short list of what changed and why, plus wording you can use to ask for the new rules without starting a fight. The biggest shifts: babies sleep on their back now, the crib stays bare, no honey before age 1, and car seats stay rear-facing far longer.

7 min read Grandparents Updated June 2026

Reviewed against current AAP and CDC guidance

Start here: this is about updated safety, not criticism

Most of these rules changed in the 1990s or later, after the people raising kids in the 1980s had already finished. A grandparent who put babies to sleep on the tummy was doing what doctors recommended at the time. The science moved. The goal of this page is to get everyone on the same set of current rules, so the baby is safe in every home and every car. Hand a grandparent the facts, not blame.

What changed: then vs. now

Topic	What was common then	What the guidance says now
Sleep position	Babies placed on the stomach or side	On the back for every nap and every night, until age 1
The crib itself	Bumpers, pillows, blankets, quilts, stuffed animals	Bare. Firm flat mattress with a fitted sheet only. Nothing else in the crib
Where baby sleeps	Often a separate room early; bed-sharing common	Room-share (same room, separate sleep surface) for at least the first 6 months; no bed-sharing
Sleep surface angle	Inclined seats and loungers seen as fine for sleep	Flat surface; nothing that inclines more than 10 degrees is safe for sleep
Honey	Given to soothe or sweeten in the first year	No honey before 12 months, including honey on a pacifier (botulism risk)
Pre-chewing food	Adults chewed food first, then fed the baby	Never pre-chew. It passes an adult's mouth bacteria to the baby
Car seats	Turned forward-facing as a young toddler	Rear-facing as long as possible, up to the seat's top height or weight limit
Baby walkers	Wheeled walkers used widely	Avoid them. The AAP has called for a ban on their manufacture and sale

The four sleep rules, in order

1. Back to sleep, every time

Place the baby flat on the back for all naps and at night, through the first year.
Babies who sleep on the back are much less likely to die suddenly than those on the stomach or side.
Side sleeping is not a safe middle ground. Back only.
Once a baby can roll both ways on their own, you can leave them in the position they roll to, but always start them on the back.

This is the single change with the most evidence behind it. It is the one to hold firm on.

2. A bare, firm, flat crib

Use a crib, bassinet, or play yard that meets current safety standards, with a firm mattress and a tight-fitting sheet.
Remove pillows, quilts, comforters, blankets, bumper pads, and stuffed animals from the sleep space.
Bumper pads are no longer considered safe, even the mesh or 'breathable' kind sold as an upgrade.
For warmth, use a wearable blanket or sleep sack instead of a loose blanket.

A bare crib can look stark to someone who decorated yours. The empty space is the safety feature.

3. Room-share, do not bed-share

Keep the baby's sleep surface in the same room as the caregiver, but not in the same bed, for at least the first 6 months.
Room-sharing this way can lower the risk of SIDS by as much as half.
Sofas, armchairs, and adult beds are not safe sleep surfaces for a baby, including for naps.
If you are feeding at night and feel drowsy, the baby is safest moved back to their own flat surface.

Bed-sharing was normal in many families. Offering a bassinet beside the bed keeps the closeness without the risk.

4. Keep sleep flat and cool

Sleep happens on a flat surface. An incline of more than 10 degrees is not safe for sleep.
Inclined loungers and sleep positioners are not safe sleep products, despite how they are marketed.
Do not overheat the room or overdress the baby; dress them in one more light layer than an adult would wear.
A pacifier at sleep time is fine and may lower risk; do not reattach it once the baby is asleep.

If a baby falls asleep in a swing or car seat, the current advice is to move them to a flat surface when you can.

Beyond sleep: four more rules that changed

No honey before 12 months. The CDC is direct: do not feed honey to a child younger than 1 year old. This includes honey on a pacifier or stirred into food. Honey can carry spores that cause infant botulism, a serious illness. The CDC has reported babies in Texas who became ill after using honey pacifiers.
Never pre-chew a baby's food. Chewing food and then feeding it transfers an adult's mouth bacteria to the baby. Mash or cut soft food instead.
Car seats stay rear-facing longer. Keep the baby rear-facing as long as possible, up to the highest height or weight the seat's manufacturer allows. The old 'turn at age 1' or 'turn at age 2' rule has been replaced by going to the seat's limit, which is often age 2 or beyond. Children younger than 13 ride in the back seat.
Skip wheeled baby walkers. The AAP has called for a ban on their manufacture and sale; they send thousands of children to hospitals each year, mostly from falling down stairs. A stationary activity center is the safer alternative.
Follow the current vaccine schedule. The childhood schedule has more shots than it did decades ago. Confirm doses and timing with the baby's pediatrician, not from memory of an older schedule.

Scripts: asking a grandparent who 'did it differently'

Lead with respect, then the rule

"You raised three healthy kids, so I know this isn't about doing it wrong. The doctors changed the rules on a few things since then."
"The advice flipped after we were babies. I'm still getting used to it too."
"Our pediatrician is firm on this one, so we're keeping it the same in every house."

Naming that the rule changed, not the person, lowers the defensiveness.

For back sleeping

"He goes down on his back every time, even for short naps. Side and tummy aren't considered safe for sleep now."
"I know we slept on our tummies and turned out fine. This is the one change with the strongest research, so we don't bend it."
"If you find her on her tummy after she rolls, that's okay once she rolls both ways on her own. Just always start her on her back."

For the bare crib

"The crib stays empty, no blanket, no bumpers, no stuffed animals. The empty space is the safety part."
"The quilt you made is beautiful. We could hang it on the wall instead of putting it in the crib."
"He uses a sleep sack instead of a blanket, so he stays warm without anything loose around him."

For honey, food, and the car seat

"No honey until she's one, even a taste, because of a rare but serious infection risk."
"Please don't chew her food first; we'll mash it instead."
"His seat stays rear-facing for now. It looks cramped, but rear-facing is much safer at this age."

If they push back

"I hear you. This is the rule we've chosen, and I need it followed when you're watching her."
"You don't have to agree with all of it. I'm asking you to do it our way for the baby."
"Could we both ask the pediatrician at the next visit so you're hearing it from them too."

You can hold the boundary and the relationship at the same time. Calm and repeated beats heated and once.

A one-minute brief before you leave the baby

Always on the back, for every nap and bedtime.
Crib is bare: firm mattress, fitted sheet, nothing else.
Baby sleeps in the crib or bassinet, never on a couch, armchair, or adult bed.
No honey, and no pre-chewed food.
Rear-facing car seat, installed and buckled before driving.
Pediatrician's number is on the fridge.

Call the doctor now

After any honey exposure under age 1: poor feeding or weak sucking, a weak cry, droopy eyelids or a 'floppy' look, constipation, or less movement. These can be early signs of infant botulism.
The baby was found face-down and unresponsive, limp, or hard to wake, even briefly.
Breathing looks labored, irregular, or paused, or the lips or face look blue or gray.
The baby is unusually sleepy, won't feed, or is much harder to rouse than normal.

Call 911 immediately

Quick answers

Why can't the baby sleep on the tummy like we used to?: Research found that back sleeping sharply lowers the risk of sudden infant death. The AAP recommends placing babies on their back for every sleep through the first year. Babies who sleep on the back are much less likely to die suddenly than those who sleep on the stomach or side. Side sleeping is not a safe alternative. This guidance changed in the 1990s, after many of today's grandparents had already raised their children, which is why it feels new to them.
Are crib bumpers really unsafe, even the breathable mesh kind?: Yes. Current safe-sleep guidance is to remove all bumper pads from the crib, including padded, mesh, and 'breathable' versions sold as safer. The recommendation is a bare crib: a firm, flat mattress with a tight-fitting sheet and nothing else. Pillows, blankets, quilts, and stuffed animals also stay out. A wearable blanket or sleep sack provides warmth without anything loose in the sleep space.
Why is honey off-limits before age 1?: The CDC says plainly: do not feed honey to a child younger than 1 year old. Honey can contain spores that, in a baby's immature gut, can cause infant botulism, a serious illness affecting the muscles and breathing. This includes honey stirred into food and honey on a pacifier; the CDC has reported babies in Texas who became ill after using honey pacifiers. After the first birthday, honey is fine. Until then, even a small taste should be avoided.
Isn't pre-chewing food a normal way to help a baby eat?: It was once common, but it is no longer advised. Chewing a baby's food first transfers bacteria from an adult's mouth to the baby, which the CDC has linked to disease transmission. Instead, mash soft foods with a fork or cut them into small, soft pieces the baby can manage. Avoid common choking hazards in the first year, such as whole grapes, nuts, popcorn, raw vegetables, chunks of meat or cheese, and hard candy.
Why does the car seat stay rear-facing so long now?: The AAP advises keeping a child rear-facing as long as possible, up to the highest height or weight the car seat's manufacturer allows. Many convertible seats allow rear-facing to age 2 or beyond. The AAP removed the old 'turn at age 2' milestone in favor of using the seat's limits, because rear-facing better protects a young child's head, neck, and spine in a crash. Children younger than 13 ride in the back seat.
How do I correct a grandparent without offending them?: Separate the person from the rule. Acknowledge that they raised healthy children and that the advice has since changed, then state the current rule plainly and say it applies in every home. For example: 'You raised three healthy kids, so this isn't about doing it wrong. The doctors changed the rules, and our pediatrician is firm on this one.' If they push back, you can hold the boundary calmly: 'You don't have to agree with all of it. I'm asking you to do it our way for the baby.' Offering to ask the pediatrician together can help them hear it from a trusted source.

Sources & further reading

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This guide reflects current AAP and CDC guidance and is for educational purposes only. It does not constitute medical advice. ParentFlow is a wellness companion — not a substitute for your pediatrician. For any medical concern, contact your healthcare provider.