Many couples choose to stop sharing a bed (i.e., get a sleep divorce) because their partner disturbs their sleep. But humans have a long history of sharing beds, and society can judge couples sleeping apart. Sleep studies show that we all get more rest when we sleep alone. Yet sleep…
Chronobiologists study how bodies can fall out of sync with the natural world’s circadian rhythms, a phenomenon called chronodisruption. Modern humans experience chronodisruption on a massive scale, thanks to artificial light pollution, social jet lag, late-night electronics, and other factors. This misalignment of natural cues can have adverse consequences for…
Our body clock is what controls when we’re most alert, and when we’re most tired. Research has found that we can control our body clocks and level of alertness by working out at specific times of the day. Normally, melatonin levels begin to increase at night and decrease in the…