Tummy time is the practice of placing your baby on their stomach on a firm, flat surface while they’re awake and you’re watching. It’s one of the simplest things you can do to support your baby’s physical development, and most babies can start just a day or two after birth. The goal is to build up from a few minutes a day as a newborn to 60 to 90 minutes daily by the time your baby starts crawling.
Why Tummy Time Matters
When babies lie on their backs, they don’t have to work very hard. Flip them onto their stomachs, and suddenly gravity becomes a challenge. Their head is heavy relative to their body, and lifting it off the floor requires real effort from the neck, back, and core muscles. That effort is the whole point.
Tummy time builds strength in the core, back, neck, arms, and hip flexors. It opens and strengthens the hand muscles, promotes early arm control, and helps develop balance. These are the exact muscle groups your baby needs to eventually lift their head, roll over, sit up, crawl, and walk. Babies who get regular tummy time tend to hit milestones like crawling and rolling slightly earlier than those who don’t.
There’s also a sensory dimension that’s easy to overlook. When a baby is on their stomach, they get feedback through their hands, feet, legs, arms, and ribs that helps them develop body awareness. Lifting the head against gravity doesn’t just build neck muscles; it also stimulates the vestibular system, which governs balance and tolerance for movement. Limited exposure to these kinds of stimuli early on can contribute to sensory difficulties later, like hypersensitivity or poor coordination.
Preventing Flat Head Syndrome
Since the “Back to Sleep” campaign dramatically reduced SIDS rates in the 1990s, babies spend much more time on their backs. One unintended consequence has been a rise in positional plagiocephaly, the flattening of one area of the skull from sustained pressure. Tummy time directly counteracts this by giving the back of the head a break from contact with flat surfaces.
The evidence is compelling. In one study, caregivers who received detailed instruction on tummy time and infant positioning saw about half the rate of plagiocephaly at three months compared to a control group (15% versus 33%). Regular supervised tummy time, combined with limiting time in car seats, bouncers, and other devices that keep babies on their backs, can prevent or lessen the severity of skull flattening. It also encourages babies to turn their heads equally to both sides, which helps prevent torticollis, a tightening of the neck muscles that makes turning the head difficult.
How Much Time, and When
You can start tummy time as early as one or two days after birth. In the newborn stage, aim for two or three sessions a day lasting three to five minutes each. That might not sound like much, but for a newborn, it’s a genuine workout.
The targets increase quickly from there:
- By 2 months: 15 to 30 minutes of total tummy time per day
- By 3 months: about 30 minutes total per day
- From 4 months until crawling: 60 to 90 minutes per day, spread across multiple sessions
These are cumulative totals, not single stretches. You’re breaking the time into shorter sessions throughout the day, gradually making each one longer as your baby gets stronger and more comfortable.
What You’ll See at Each Stage
In the first few weeks, your baby will mostly lie with their cheek against the surface, barely able to lift their head. This is completely normal. By around two months, you’ll notice them beginning to lift their head briefly and turn it from side to side. By three months, many babies can hold their head up at a 45-degree angle and prop themselves on their forearms.
Between four and six months, things get more interesting. Babies start lifting their chest off the floor, straightening their arms, reaching for objects, and eventually pivoting in circles on their belly. These are all precursors to crawling. You may also see your baby roll from their tummy to their back, or start pushing up onto their hands. Each of these milestones builds directly on the strength developed during earlier tummy time sessions.
Positions That Work for Newborns
Putting a days-old baby flat on the floor isn’t your only option. For very young or sensitive newborns, chest-to-chest tummy time works well: recline slightly and lay your baby face-down on your chest. They still have to work against gravity to lift their head, but the warmth and closeness of your body makes it less stressful. You can also lay your baby across your lap on their stomach, which gives you easy access to rub their back and keep them calm.
As your baby gets more comfortable, transition to the floor. Use a firm, flat surface like a play mat or a clean blanket on the floor. Soft surfaces like beds or couches aren’t ideal because they don’t provide enough resistance for your baby to push against, and they pose a suffocation risk.
When Your Baby Hates It
Many babies protest tummy time, especially in the first few weeks. This is normal. Their muscles are weak, the position is unfamiliar, and they’re working harder than they’re used to. A few strategies can help.
Timing matters more than anything. Try tummy time when your baby is in a good mood, not when they’re hungry, tired, or fussy. After a diaper change or a bath is a natural window. Avoid doing it right after a feeding, when the pressure on a full stomach can cause discomfort.
Get down on the floor at your baby’s eye level. Your face is the most interesting thing in their world, and making eye contact gives them motivation to lift their head. Sing, talk, or place a small mirror or rattle in front of them to encourage visual tracking. Building tummy time into a predictable routine, like doing a few minutes after every diaper change, helps babies learn to expect it rather than be startled by it.
If your baby falls asleep during tummy time, roll them onto their back. Babies should never sleep on their stomachs. Tummy time is exclusively a supervised, awake activity.
Common Concerns
Parents sometimes worry about starting tummy time before the umbilical cord stump falls off. Short sessions on a clean surface are generally fine, but you can use the chest-to-chest position if you prefer to keep the area clear of contact.
If your baby consistently turns their head to only one side during tummy time, or if you notice flattening on one side of the skull that isn’t improving with regular repositioning, a physical therapy evaluation can identify whether there’s an underlying muscle tightness. Early intervention for torticollis or plagiocephaly is straightforward and effective, typically involving targeted stretches and positioning adjustments.
Premature babies or those with medical conditions may need a modified approach. Your pediatrician can help you figure out the right starting point, but in most cases the principle is the same: start small, stay consistent, and gradually increase.