I briefly looked at the site. I didn't see a manual log but I can't imagine there isn't. I got an iHealth scale. The tracker isn't as cool looking but it's cheaper. I don't know if I could really keep it up. There is an iphone app I can use for sleep tracking. It measures movement and has a dynamic alarm that wakes you when it senses the right amount of movement within a period of time you set. I usually use it for about a month when I am having sleep problem to see if it has anything to do with tossing and turning. LOL. My cat would play with my hair in the middle of the night and it would take a while to wake up. Super annoying!

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