0 1 2 3 Fri 08 Feb 1980 Mon 11 Feb 1980 Thu 14 Feb 1980 Sun 17 Feb 1980 Wed 20 Feb 1980 Sat 23 Feb 1980 Tue 26 Feb 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