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Alcohol also affects circadian rhythms — the 24-hour body clock that responds to environmental light cues in order to synchronize our sleep-wake cycle.

So, this carp species does not fall into a fainting state, as it is common in narcolepsy and does not require orexin to regulate their sleep-wake cycle.

“Daylight exposure synchronizes our internal clock with the external environment, reinforcing our sleep-wake cycle,” he told The Times over email.

Researchers believe magnesium may reduce cortisol, a stress hormone; increase melatonin, a hormone that promotes the sleep-wake cycle; and help regulate neurotransmitters for the central nervous system, per Medical News Today.

"Napping can be a helpful strategy for older adults," says Dr. Ryan Sultan, "but the timing and duration matter. Short naps of around 20 to 30 minutes can boost alertness without interfering with nighttime sleep. However, extended or late-afternoon naps might disrupt the sleep-wake cycle, making it harder to fall asleep at night."