Improve the duration of your sleep with pain relief plus a sleep aid with Extra Strength TYLENOL® Nighttime Caplets. Containing 500 milligrams of acetaminophen for pain relief plus 25 milligrams of the sleep aid diphenhydramine hydrochloride, these caplets help you fall asleep and stay asleep. For effective relief of nighttime pain with accompanying sleeplessness due to headaches, back and body pain, muscle aches and pains, arthritis pain, menstrual pain, dental pain, and aches and pains due to colds and flu. Extra Strength TYLENOL® Nighttime Caplets improve the duration of your sleep and come in packages of 16 or 40 caplets.