Which factor has the greatest positive effect on sleep quality?

A) Sleeping hours in synchrony with circadian rhythm
B) Sleeping in a quiet environment
C) Spending additional time in stage NIII of the sleep cycle
D) Napping frequently during the day hours

Circadian Rhythm

A biological process that displays an endogenous, entrainable oscillation of about 24 hours, affecting physiological and behavioral functions such as sleep-wake cycles.

Sleep Cycle

The progression through various stages of non-REM and REM sleep that occur during a typical night, affecting sleep quality and health.

Napping

A short period of sleep, usually taken during the day, to supplement insufficient sleep at night or enhance alertness and performance.