Physical Activity & Sleep are 2 important modifiable factors associated with better concussion recovery. #DrDHowell #CISG #Concussion_ISG @neurotrauma.org @aanmember.bsky.social @concussionalliance.bsky.social #UCLABrainSPORT #SportsMed @acrmrehab.bsky.social @childneurosoc.bsky.social