Is it safe to leave a laptop in sleep mode instead of switching it off at the end of the day?

For a few years now, at the end of the day, I just leave my laptop on and it turns itself into sleep mode when not used after 5 minutes. I don't know if this is a safe thing to do, instead of switching the laptop off altogether? Actually I read that having laptop in sleep mode overnight is better than... show more For a few years now, at the end of the day, I just leave my laptop on and it turns itself into sleep mode when not used after 5 minutes. I don't know if this is a safe thing to do, instead of switching the laptop off altogether?

Actually I read that having laptop in sleep mode overnight is better than switching off because it doesn't wear the laptop's battery as much.
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