0 1 2 3 Tue 22 Jan 1980 Sun 27 Jan 1980 Fri 01 Feb 1980 Wed 06 Feb 1980 Mon 11 Feb 1980 Sat 16 Feb 1980 Thu 21 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