0 1 2 3 Tue 21 Aug 1956 Sun 26 Aug 1956 Fri 31 Aug 1956 Wed 05 Sep 1956 Mon 10 Sep 1956 Sat 15 Sep 1956 Thu 20 Sep 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