0 1 2 3 Mon 20 Jun 1977 Tue 28 Jun 1977 Wed 06 Jul 1977 Thu 14 Jul 1977 Fri 22 Jul 1977 Sat 30 Jul 1977 Sun 07 Aug 1977 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