0 1 2 3 Thu 31 Jul 1975 Sun 03 Aug 1975 Wed 06 Aug 1975 Sat 09 Aug 1975 Tue 12 Aug 1975 Fri 15 Aug 1975 Mon 18 Aug 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