Caffeine is not the only stimulant but it is a stimulant. Caffeine is hidden in soda. Red Bull, coffee, tea, and even chocolate.
Sleep Tip #160: Avoid stimulants pats mid-day.
Avoid stimulants past mid-day.June 9, 2017
Go cold turkey by abstaining from caffeine.August 31, 2017
Alcohol may help you fall sleep faster but that’s about it.August 7, 2017
Try a coffee nap to get that refreshed feelingAugust 5, 2017
