3 minutes read
Many of us tend to use our mobile phones right before sleeping, and some even like keeping a night light on. However, light at night is not necessarily a good thing and may actually do more harm than good.
Before manmade lighting was invented, humans timed work and rest according to their circadian rhythms. Circadian rhythm acts as our internal body clock that regulates the 24-hour cycle of processes, which include patterns of brainwave activity, core body temperature, pr...