Is a sleep diary useful without a smartwatch?
This is a frequently asked tracking question selected by the SnapSleep editorial team. The researched editorial answer below is a starting point; members can add relevant experience without posting personal, medical, financial, or account details.
Yes. A consistent diary can reveal patterns in timing, duration, awakenings, and daytime functioning. It will not provide the same sensor estimates as a wearable, but it can still support useful reflection and clinical conversations.