Engadget is likely to sleep between 12 a.m. and 6 a.m.
Engadget - Official Twitter account of Engadget!
Engadget is located in The internets (Eastern Time (US & Canada) time zone). If the sleeping schedule doesn't appear right, maybe @engadget hasn't specified the correct timezone in their Twitter profile.
Use the search box to know the sleeping schedule of another Twitter user.