3 ms·
AFAIK, it's more about the amount of complete REM cycles. The sleep gets more and more "shallow" in a continuous session. Six-hour night sleep session and a nap
by restalis 11y ago
AFAIK, it's more about the amount of complete REM cycles. The sleep gets more and more "shallow" in a continuous session. Six-hour night sleep session and a nap at noon may be more efficient than an eight-hour night sleep.