12 and 13 years olds need between 9 and 11 hours per night and 14-17 year olds should have between 8 and 10 hours per night, with consistent bed and wake-up times.1
1. Canadian Society for Exercise Physiology. Canadian 24-Hour Movement Guidelines: An Integration of Physical Activity, Sedentary Behaviour, and Sleep [Internet]. Ottawa (ON): Canadian Society for Exercise Physiology; c2019 [cited 2019 Apr 17]. Available from: https://csepguidelines.ca/