0 1 2 3 Fri 11 Apr 1980 Tue 15 Apr 1980 Sat 19 Apr 1980 Wed 23 Apr 1980 Sun 27 Apr 1980 Thu 01 May 1980 Mon 05 May 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