0 1 2 3 Tue 13 Jul 1971 Wed 21 Jul 1971 Thu 29 Jul 1971 Fri 06 Aug 1971 Sat 14 Aug 1971 Sun 22 Aug 1971 Mon 30 Aug 1971 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