Kava. It's calming unlike caffeine, but also seems to help concentration. It see...

svachalek on Nov 1, 2023 | parent | context | favorite | on: Improving deep sleep may prevent dementia, study f...

Kava. It's calming unlike caffeine, but also seems to help concentration. It seems to flush out of my system very quickly, so that I haven't noticed it affecting sleep either way.