0 1 2 3 Thu 17 Jul 1980 Mon 21 Jul 1980 Fri 25 Jul 1980 Tue 29 Jul 1980 Sat 02 Aug 1980 Wed 06 Aug 1980 Sun 10 Aug 1980 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