By now most people know about sleep cycles, and how you can improve your sleep patterns by adjusting to them. But in case you didn’t, one of the reasons you can wake up cranky is if you haven’t optimized your sleep for these 90 minute cycles. Now a free app can help you do just that.
90Night is a sleep calculator which helps you wake up at an optimum time to get the most out of your sleep cycles. Just enter in the time you want to wake up or go to bed, press go and the app will calculate the best time for you automatically.
You can also hit a button to automatically set the alarm for the selected time, and you can also enter in details of how long it takes you to fall asleep, which is pretty valuable we’re thinking. Now we’re not going to suggest that this is all of a sudden going to transform your life, and make you Mister Magnificent in the morning, but it’s definitely worth a try if you’re suffering a bit from the morning wake up blues.