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It should automatically detect when you are sleeping.
You can download the manual here and it can help
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Community Moderator Alumni are previous members of the Moderation Team, which ensures conversations are friendly, factual, and on-topic. Moderators are here to answer questions, escalate bugs, and make sure your voice is heard by the larger Fitbit team. Learn more
A warm welcome to the Fitbit Community @hotshot! Just like @WendyB said Surge automatically track your sleep. Simply wear your tracker to bed. When you wake up, sync your tracker to see last night's sleep stats on the dashboard. If this is not working, try to restart your tracker and give it a try again. 
Give it a shot and let me know if that works! 
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Community Moderator Alumni are previous members of the Moderation Team, which ensures conversations are friendly, factual, and on-topic. Moderators are here to answer questions, escalate bugs, and make sure your voice is heard by the larger Fitbit team. Learn more
Good morning @hotshot! Nice to see you again in the Forums. It's very nice of you letting me know that everything is fine. If you have time I invite you to check our Discussions board where you will find other members sharing their experiences and tips for an active lifestyle. 
Keep up the super stepping! 
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