Why are there 2 types of sleep logs?-Versa

[Zaaltje]

Why are there 2 types of sleep logs? In one you see small linies with restless and awake in it. In the other you see sort of curves with rem and deep sleep in it. That one is more clear. 

Ps. Unable to show you the screenshots. What a horrible site this is?! Insert image is impossible, I have to insert text instead of automatically opening a link to my photo gallery? 

Moderator edit: added label

Moderator edit: subject for clarity

[SteveH]

There used to be just the one type of log but then they introduced sleep stages (with REM, deep sleep etc). There are times though when it can't calculate the new sleep stages and it has to go back to the old style. Fitbit say:

"There are a few scenarios where you might see your sleep pattern (which shows your time asleep, restless, and awake) instead of sleep stages:

• If you slept in a position that prevented your device from getting a consistent heart-rate reading or wore it too loosely. For best results, wear your device higher on your wrist (about 2-3 finger widths above your wrist bone). The band should feel secure but not too tight.
• If you used the Begin Sleep Now option in the Fitbit app (instead of simply wearing your device to bed). For more information on automatic sleep tracking, see How do I track my sleep?
• If you slept for less than 3 hours.
• If your device’s battery is critically low."

taken from: https://help.fitbit.com/articles/en_US/Help_article/2163/

How are you trying to upload images? All I do is click on the "photos" when composing a post and it gives me a file picker.