Many of us toss and turn in the middle of the night, but how often do we do that? No idea here. However, a cool gadget coming out of Japan might be able to help: they call it the Sleep Scan. It is probably the next best thing apart from going to an expensive sleep clinic, and it won’t hurt the wallet too badly either. The Sleep Scan (SL-501) will be priced at Â¥36,750 (that is approximately $391 in U.S. currency), and it works by having its user place it under themselves while they are sleeping. Simple right? While you are sleeping, the Sleep Scan measures specific data like your pulse, your respiration rate,…