0 1 2 3 Fri 05 Sep 1952 Mon 08 Sep 1952 Thu 11 Sep 1952 Sun 14 Sep 1952 Wed 17 Sep 1952 Sat 20 Sep 1952 Tue 23 Sep 1952 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