0 1 2 3 Fri 05 Sep 1980 Tue 09 Sep 1980 Sat 13 Sep 1980 Wed 17 Sep 1980 Sun 21 Sep 1980 Thu 25 Sep 1980 Mon 29 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