anxiety
"Now 77 years old, I have Depression with mild anxiety.  I am white married male with Mild Cognitive Impairment.   First took Valium (diazapam) first pill 5 mg in grad school 40 years ago, for acute  anxiety and slept for 14 hours.   Have been taking on and off, mostly for a nights sleep.  

It has had a beneficial effect over all, when taken perhaps as little as once a week.  Now, going through difficult times, I'm up to 10-20 mg to get to sleep, as being awake worrying is more harmful.

I'm approaching addiction, yet my choices is depression, and agitation that only makes things worse.  So, I'm a bit of a zombie, not good, but seems better than agitated depression (if there is such a condition)"