A 6-month-old baby typically sleeps 12 to 16 hours in a 24-hour period, split between nighttime sleep and daytime naps. Most of that sleep happens overnight, with the remainder spread across two or three naps during the day. That said, there’s a wide range of normal, and this age comes with developmental changes that can temporarily throw sleep patterns off track.
Nighttime Sleep vs. Daytime Naps
At 6 months, the bulk of your baby’s sleep happens at night. Most babies this age sleep roughly 10 to 12 hours overnight, though many still wake once or twice to feed. The remaining sleep comes from naps during the day, with a goal of about 2.5 to 3.5 hours of total daytime sleep.
Three naps a day is standard at this age. The first two naps tend to be longer, around 60 to 90 minutes each, while the third nap is shorter, typically 30 to 45 minutes. That third nap often happens in the late afternoon and helps bridge the gap to bedtime without your baby getting overtired. Some babies start dropping this third nap closer to 7 or 8 months, but at 6 months most still need it.
Why Sleep Can Fall Apart at 6 Months
Six months is a common time for a sleep regression, and it’s driven by a burst of developmental activity happening all at once. Your baby may be learning to sit up, starting early attempts at crawling, and dealing with teething pain. Their brain is busy, and that busyness spills into nighttime.
One of the biggest cognitive shifts at this age is the beginning of object permanence, which typically develops between 6 and 9 months. Your baby starts to understand that you still exist even when you leave the room. That sounds like a small thing, but it’s a major leap. It means your baby now knows you’re out there somewhere, and they may cry or resist sleep because they want you back. This is also the root of separation anxiety, which can make bedtime and middle-of-the-night wakings harder.
The good news is that sleep regressions are temporary. They can last anywhere from a few days to a few weeks, and keeping your routine consistent through the disruption helps your baby settle back into their pattern faster.
How Solid Foods Affect Sleep
Six months is when most families start introducing solid foods, and there’s some evidence this can help with nighttime sleep. A large clinical trial out of London involving over 1,300 infants found that babies who were introduced to solids slept longer and woke less frequently at night compared to babies who were exclusively breastfed through six months. The difference peaked at 6 months of age: babies eating solids slept about 16 extra minutes per night, which adds up to nearly 2 extra hours of sleep per week. Their nighttime waking frequency also dropped, going from just over twice per night to about 1.7 times.
This doesn’t mean solids are a magic fix for night waking. Many babies still wake to feed at 6 months regardless of what they eat during the day. But if you’re introducing solids around this time, slightly longer stretches of sleep at night are a realistic possibility.
Sleep Training at 6 Months
Six months is one of the most popular ages to start sleep training, and for good reason. By this point, most babies have maturing sleep cycles and a developing circadian rhythm. Many are also physically capable of going longer stretches without a feeding overnight, though some still need one nighttime feed.
There are several approaches, and they differ mainly in how much parental involvement they include:
- Graduated check-ins (Ferber method): You put your baby down awake, leave the room, and return at timed intervals to briefly reassure them without picking them up. The intervals gradually get longer over several nights.
- Full extinction (cry it out): You put your baby down and don’t return until morning or a scheduled feed. This is the most direct approach and often produces results fastest, but it’s harder for many parents to tolerate emotionally.
- Chair method: You sit in a chair next to the crib until your baby falls asleep, then move the chair farther away every few nights until you’re out of the room entirely.
- Pick up, put down: When your baby fusses, you pick them up briefly to calm them, then put them back down awake. You repeat as needed.
- Bedtime fading: Rather than changing how your baby falls asleep, you shift their bedtime earlier in 15-minute increments until it lands where you want it.
No single method works best for every family. The key variable is consistency. Whichever approach you choose, sticking with it for at least a week gives your baby time to learn the new pattern.
Safe Sleep Practices Still Matter
At 6 months, the same safe sleep guidelines apply. Your baby should sleep on their back for every sleep, on a firm, flat mattress in a safety-approved crib or bassinet. Keep the sleep surface clear of blankets, pillows, bumper pads, and stuffed animals. The AAP recommends keeping your baby’s sleep area in the same room where you sleep for at least the first 6 months.
One common question at this age is what to do when your baby rolls onto their stomach during sleep. If your baby can roll both ways on their own, you don’t need to keep flipping them back. Just continue placing them on their back at the start of each sleep. Avoid overheating by dressing your baby in light layers, and skip hats or head coverings indoors. If your baby’s chest feels hot or they’re sweating, they’re likely too warm.
What a Typical Day Looks Like
Every baby is different, but a rough framework for a 6-month-old’s day might include waking around 6:30 or 7 a.m., taking a morning nap about 2 hours later, a midday nap after lunch, and a short late-afternoon nap. Bedtime usually falls between 7 and 8 p.m. The wake windows between naps at this age are roughly 2 to 2.5 hours. If your baby is consistently fighting a nap or seems wide awake at bedtime, their wake windows may need to stretch slightly longer.
Some days will look nothing like this, and that’s normal. Teething pain, travel, illness, or a developmental leap can scramble the schedule for a few days. What matters more than hitting exact times is watching your baby’s sleepy cues: rubbing eyes, yawning, fussiness, or zoning out. Catching that window before your baby becomes overtired makes falling asleep much easier for both of you.