0 1 2 3 Tue 31 Jul 1979 Sat 04 Aug 1979 Wed 08 Aug 1979 Sun 12 Aug 1979 Thu 16 Aug 1979 Mon 20 Aug 1979 Fri 24 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