Questions.

Yes. No ads, no in-app purchases, no premium tier. Nothing is held back behind a paywall.

No. The app works fully without one. Sign in only if you want sync or a partner on the same logs.

Yes, fully. Log all night with no signal; it syncs when you're back online.

iPhone, Android, and any modern browser at app.sleepsanity.ca.

Yes. They sign in with their own account and you send them an invite link. No shared passwords.

Settings, then Sync, then Delete account in the app, or use the delete-account page on this site.

Structured, age-appropriate approaches with timed check-ins are widely used and studied. Your pediatrician is the right person to confirm it's a good fit for your baby.

This plan isn't cry-it-out. You put your baby down awake and check in at set intervals, so they're never left indefinitely.

You keep showing up briefly, calmly, on a schedule. The routine and the check-ins are what make it predictable for them.

It varies, and we won't promise a number. Many families see a change within a week or two; the charts show the trend either way.

Often yes, especially early on. The plan includes a night-feed weaning schedule you can follow when you and your pediatrician are ready.

Pause, comfort your baby, and pick the plan back up when things settle. A few off nights don't undo your progress.

Most families start between 4 and 6 months, once their pediatrician is comfortable with it.

Check consistency first: same bedtime, same routine, same check-in intervals. If nothing shifts after a couple of weeks, talk to your pediatrician.