TikTok’s latest wellness movement, the “Great Lock-In”, invites people to set personalized goals from September through December to improve areas like mental health, fitness, sleep, or financial wellbeing. Unlike past “challenges” that demanded strict regimens, this one is about flexibility and sustainability.

The structure encourages daily or weekly small habits rather than grand gestures. Experts warn of risks like burnout if goals are too ambitious, but those who approach it sensibly report better sleep, reduced anxiety, and more consistent self-care routines.

Ways to join: start with one meaningful goal, plan rest days, choose manageable habits, track progress, and adjust over time.