0 1 2 3 Sat 26 Jul 1980 Thu 31 Jul 1980 Tue 05 Aug 1980 Sun 10 Aug 1980 Fri 15 Aug 1980 Wed 20 Aug 1980 Mon 25 Aug 1980 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