0 1 2 3 Wed 31 Jan 1979 Sat 03 Feb 1979 Tue 06 Feb 1979 Fri 09 Feb 1979 Mon 12 Feb 1979 Thu 15 Feb 1979 Sun 18 Feb 1979 Hours Slept Hours Slept Rolling Average Total Time in Bed Total Rolling Average <- Previous Period Next Period -> Date Range: to Offset: hours Data: Hours Slept Hours Laying Awake Total Time in Bed Total Dreams Show: Raw Data Rolling Average Rolling Average: Start from Zero Events: None Major All