Yes.
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Your body recovers best during the times of 11-3am. So Staying up late or throughout that time is considered unhealthy as ur body is not recovering efficiently like it would if you slept during that time.
I don't know but thanks for using one up uselessly! :P
It is perfectly safe to sign up for WikiAnswers.
You do now ! You need to register using Facebook (that wasn't the case when I joined Answers back in 2009).
Staying up late
no its not
Signing up for an account allows you to use more advanced features on WikiAnswers. You can't edit questions without signing up for an account because WikiAnswers wants you to sign up and contribute to WikiAnswers. Think of not signing up as a demo version of WikiAnswers - you can use some of the features of WikiAnswers, just to get a feel for WikiAnswers, and we give you just enough so you can figure out how everything works on WikiAnswers. Signing up for your account gives you all the standard features on WikiAnswers that you didn't get in your 'demo' version of WikiAnswers. The standard features include editing, while the demo version does not. Signing up for WikiAnswers is completely free, so signing up for WikiAnswers will allow you to edit questions. The other main reason is because of vandalism. 90% of vandalism occurs from unregistered users on WikiAnswers, so giving unregistered users the power to edit a question could potentially give them the power to wipe out every answer on WikiAnswers. That is why you must sign up for an account to edit.
because they are as good and strong as an eagle we are staying up we are staying up
You can't "level up" on WikiAnswers. You can acquire "Trust Points" when another user gives them to you.
Up and go
No, a Wikianswers account is free of charge.