0 1 2 3 Tue 22 Jul 1975 Wed 30 Jul 1975 Thu 07 Aug 1975 Fri 15 Aug 1975 Sat 23 Aug 1975 Sun 31 Aug 1975 Mon 08 Sep 1975 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