Newborn Sleep Cycles Explained: REM, Active & Quiet Sleep
Understand newborn sleep cycles: active vs. quiet sleep, why babies grunt and twitch, and how to combine sleep-cycle knowledge with safe-sleep guidance.
Baby Cries in Sleep but Is Calm When Awake
Baby cries in sleep: the quick answer When a baby cries in sleep but is calm when awake, the sound is usually normal sleep cycling. Brief cries are common in active (REM) sleep and an immature nervous system. If your baby settles within a minute or two, you usually do not need to intervene —…
