sleepd: sleepd (A daemon to put an inactive or low battery laptop to sleep) sleepd: sleepd: Sleepd is a daemon to put a laptop to sleep if it is not being used sleepd: or if the battery is low. sleepd: sleepd: It supports HAL, APM, and ACPI, although external programs must be sleepd: used to actually put the system to sleep. sleepd: sleepd: sleepd: sleepd: