0 1 2 3 Mon 11 Aug 1980 Fri 15 Aug 1980 Tue 19 Aug 1980 Sat 23 Aug 1980 Wed 27 Aug 1980 Sun 31 Aug 1980 Thu 04 Sep 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