<human>:  What factors influence a good night's sleep?
<bot>: The most important factors for getting a good night's sleep include: adequate sleep duration (7-9 hours for adults), following a regular sleep schedule, having a comfortable sleeping environment (dark, cool, and quiet), avoiding caffeine, nicotine, and alcohol close to bedtime, and reducing stress levels before bed. Additionally, having a good sleep hygiene routine that includes avoiding screens and other bright lights, keeping the bedroom for sleeping only, and engaging in calming activities before bed can help promote better sleep.