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Never jerk yourself awake or wake your partner again. Lark's dynamic vibration gently nudges you awake without bugging anyone else. Waking to vibration can reduce heart rate variability, stress levels, and blood pressure spikes, all of which are known to cause that awful groggy feeling in the morning. Wake up naturally instead of alarmed.
Ever wonder what happens when you sleep? Lark's scientific sleep monitor uses actigraphy to track your movements during the night to tell how long and how well you sleep each night. Instantly see your sleep patterns every morning when you turn off your alarm.
Easily keep track of your mood, sleep triggers and notes on how you slept each morning using the mobile app and learn what factors impact your sleep. You can also see how you compare to your average and other expert benchmarks, and access your data anytime online or through the mobile app.
Get 1 free advanced 7-day assessment with your Lark purchase. Learn how you're doing and how you can improve.
Your free trial includes:
Doesn't connect with my Samsung Galaxy s5. I tried emailing tech support through the Lark website twice with no response. Waste of money.Published 16 days ago by Jeffrey E Bennett
I was not able to use it at all. The product is only for Apple iOS and does not support Android. This wasn't clear when I purchased it. Read morePublished 23 days ago by S. Chu
Alarm works. Sleep analysis does not. No response from maker.Published 28 days ago by Adam Lippiatt
Unfortunately they shut down this app in 2012, but still selling the equipment. Not worth it at all.Published 1 month ago by Staci L Perkins
The company has abandoned this product apparently. They have zero updates, nothing new on the website, and no bug fixes. I like it works to wake me up. Read morePublished 2 months ago by Missy S. Burack
This would be a great product if it worked properly. However, each night I have to turn on and off my Bluetooth and dock and redock the Lark device numerous times to connect my... Read morePublished 3 months ago by hans weinburger
I would recommend this product as a reliable alarm, however sometimes the sleep history data does not record and there does not appear to be any tech support from the company.Published 3 months ago by amy