A new sleeping mask is being developed that lets users to have a nap of their choice of duration without worrying about sleep inertia.

Developers Justin Lee and Neil Joglekar believe that the napping tool can help users feel more energized at work, better on plans or establish a new sleeping plan, Tech Crunch reports.
According to the report, the device lets users set a nap duration and then nod off and once the user nears the end of nap, the mask slowly lights up with a diffuse.
Lee said that the Napwell is far more portable than other sleeping masks, is battery operated and doesn't need Wi-Fi Bluetooth or a smartphone to make it work.
The Napwell starts at 50 dollars for a production unit and will ship in September, the report added.
Source-ANI