Switch off electronic devices an hour or two before bedtime. Blue light exposure affects your ability to fall asleep. Stay away from caffeine at least six hours before bedtime, and possibly as much as eight or nine hours. Not only should you avoid a mid-afternooncup of coffeeand other caffe...
namely minutes and percent of each sleep stage, sleep spindles, slow oscillation (0.5–1 Hz), delta (1–4 Hz) and sigma (12–15 Hz) power during non-rapid eye movement (NREM) sleep, and theta (4–8 Hz) power during rapid eye movement (REM...