Requirements

• Rails
• Ruby

Start dev server

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rails s

Test

• bundle exec rake spec

“good night” application to let users track when do they go to bed and when do they wake up.

some restful APIS to achieve the following:

1. Clock In operation, and return all clocked-in times, ordered by created time.
2. Users can follow and unfollow other users.
3. See the sleep records over the past week for their friends, ordered by the length of their sleep.