0 1 2 3 Tue 09 Sep 1952 Fri 12 Sep 1952 Mon 15 Sep 1952 Thu 18 Sep 1952 Sun 21 Sep 1952 Wed 24 Sep 1952 Sat 27 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