Sleep Watch - AI-powered, personalized insights about your sleep.
Hourglass - Hourglass is the most advanced simple countdown timer for Windows.
Enough Sleep - Boost your performance by getting enough sleep!
SnapTimer - SnapTimer is a simple, free, portable countdown timer for Windows.
Sleepfulness - The beautifully effective sleep app, powered by mindfulness.
Free Countdown Timer - Free Countdown Timer is a free, full-featured and user-friendly countdown timer for Windows