0 1 2 3 Tue 27 Aug 1957 Sun 01 Sep 1957 Fri 06 Sep 1957 Wed 11 Sep 1957 Mon 16 Sep 1957 Sat 21 Sep 1957 Thu 26 Sep 1957 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