Weekly average sleep is calculating average of each data instead of only current week's average

[SASIN83]

Weekly average sleep is calculating average of each data instead of only current week's average or last 7 days

[MrDBC]

@SASIN83 i can work on this?
can u assign it to me & add the hacktoberfest tag? plz

[MrDBC]

@SASIN83 actually im working on some other repo
i will get back to this , after that is done ok

till then , if you find someone whos willing to fix the bug, assign it to them