By: John Seabrook In: New Yorker, October 2015 Babies and sleep. Polyphasic sleep. Babies tend to sleep in bouts, not distinguishing between night and day. Opposite of monophasic sleep: one seven- or eight-hour chunk at night. REM sleep (dream stage).
What to avoid or do less Stress. Within 2-3 hours of sleeping: dinner, exercise. Late night: snacks, caffeine, alcohol and electronics (blue light, stress). What to improve or do more Consistent sleep schedule. Sleep close to sunset (9-10 PM); wake