0 1 2 3 Sat 08 Sep 1956 Sun 23 Sep 1956 Mon 08 Oct 1956 Tue 23 Oct 1956 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