Fönster: Wake Window Tracker

At 3 a.m. you don't want a dashboard. You want one answer: when should they sleep next? Fönster calculates the next sleep window instantly — from age and your own logs, using the age range as a starting point. Didn't fall asleep? One tap recalculates a new window on the spot. No rigid sleep schedule to set up — the wake window is the schedule, tuned to your baby's own bedtime rhythm. A baby tracker that answers instead of asking. No forms. No waiting days. ON YOUR LOCK SCREEN The next window sits on your Lock Screen and Home Screen — you don't even open the app. The countdown updates itself, and when the other parent starts a sleep, your widget says who did it. No notification. Nothing that wakes anyone. BUILT FOR TWO Invite the other parent with a link — no account needed. You see the same log instantly, and either of you can start and end a sleep without "another user" errors. The…