"melatonin deficiency depression"

The More Depressed You Are, the Harder It Is to Sleep? Do Not Ignore the Sleep Signals Sent by Depression

Lately, have you found yourself lying in bed wide awake, struggling to fall back asleep after waking up at dawn, or feeling unrefreshed even when you finally doze off? Are you worried that your insomnia might stem from a low mood, or that you are trapped in a vicious cycle where feeling down makes sleep even more elusive? Our bodies often communicate the state of our minds through sleep.