Is it safe to close a laptop on sleep mode say for 3-4 or for 10-12 hours.
btw, how about hibernate mode.
Does laptop use power in hibernate mode.
Thanks
sleep-mode will consume very nominal battery power, upto 24hrs should not be a problem for normal condition batteries.
Hibernate doesnt consume power, so it doesn't have time limit.
Assuming: In Windows 7+, if sleep mode drains to 5-10% remaining battery, it will force a shutdown.
Check power settings, all this can be configured there
Note: If anything involves disconnecting parts, removing hard0drive etc, all this should be done after proper shutdown other OS can have problems.