0 1 2 3 Sat 11 Aug 1979 Tue 14 Aug 1979 Fri 17 Aug 1979 Mon 20 Aug 1979 Thu 23 Aug 1979 Sun 26 Aug 1979 Wed 29 Aug 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