The goal of this interventional study is to learn if a digital sleep extension intervention can improve sleep and mood in young urban adults with mood symptoms. The main questions it aims to answer are: Will this intervention improve sleep? Will this intervention improve mood? Does the effect of this intervention change based on environmental factors like noise and light pollution? Researchers will compare participants receiving the sleep intervention to participants receiving a "general healthy living" intervention to see if outcome are different across groups. Participants will: * receive 6 weeks of brief once weekly telephone coaching and read once weekly educational content * have their sleep monitored daily with a FitBit and Somnofy sleep device and during the 6-week intervention period * respond to questionnaires at the start of the intervention, halfway through the intervention, at the end of the intervention, and finally 4 weeks after completing the intervention
Age range
18 Years – 30 Years
Sex
ALL
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The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
Feasibility
Timeframe: From enrollment to the end of post-treatment follow-up period (10 weeks after start of intervention)
Tolerability
Timeframe: From enrollment to the end of post-treatment follow-up period (10 weeks after start of intervention)
Acceptability
Timeframe: At end of 6-week intervention
Sleep duration
Timeframe: From enrollment to the end of post-treatment follow-up period (10 weeks after start of intervention)
Sleep efficiency
Timeframe: From enrollment to the end of post-treatment follow-up period (10 weeks after start of intervention)
Waking after sleep onset (WASO)
Timeframe: From enrollment to the end of post-treatment follow-up period (10 weeks after start of intervention)
Subjective sleep quality
Timeframe: From enrollment to the end of post-treatment follow-up period (10 weeks after start of intervention)
Internalizing symptoms
Timeframe: From enrollment to the end of post-treatment follow-up period (10 weeks after start of intervention)