0 1 2 3 Thu 30 Aug 1956 Mon 03 Sep 1956 Fri 07 Sep 1956 Tue 11 Sep 1956 Sat 15 Sep 1956 Wed 19 Sep 1956 Sun 23 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