What Happens During Leap 1
Leap 1 peaks around week 5. Your baby's senses are becoming sharper: they can see more clearly, hear more distinctly, and feel textures and temperatures with greater sensitivity. The world is suddenly more vivid and stimulating, which can feel overwhelming.
Signs Your Baby Is in This Leap
- Increased crying, especially in the late afternoon and evening
- Wanting to be held more than usual
- Changes in appetite (feeding more or less)
- Startling more easily at sounds or movement
- Staring at objects or faces with new intensity
How Leap 1 Affects Sleep
At this young age your baby doesn't have established sleep patterns yet, so the effects are subtle. You may notice more difficulty settling to sleep, shorter sleep stretches, and more frequent waking. Your newborn is processing a flood of new sensory input, which can make relaxing into sleep harder.
Newborn sleep is naturally irregular. While Leap 1 may add some extra fussiness, avoid comparing your baby's sleep to any schedule at this age. Focus on responding to your baby's cues.
How to Help Your Baby Through It
- Keep the sleep environment calm and dark to reduce sensory overload
- Offer plenty of skin-to-skin contact for comfort
- Use gentle rocking or swaying to soothe
- White noise can help mask the stimulating sounds of the household
- Don't worry about creating "bad habits" at this age. Comfort your baby however works
What Emerges After the Leap
After this leap, your baby will be more alert and engaged. You may notice the first real social smiles (not just reflexive ones), more interest in looking at faces and patterns, and a growing awareness of their surroundings. These new abilities are worth the temporary fussiness.
See our comprehensive guide: /wonder-weeks
Track Your Baby's Sleep
NapNap Baby helps you log sleep, predict nap times, and build healthy routines — all in one app.
Get the app free →Free to try · No account needed · Works offline