0 1 2 3 Fri 06 Sep 1968 Mon 09 Sep 1968 Thu 12 Sep 1968 Sun 15 Sep 1968 Wed 18 Sep 1968 Sat 21 Sep 1968 Tue 24 Sep 1968 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