0 1 2 3 Wed 11 Feb 1948 Sat 14 Feb 1948 Tue 17 Feb 1948 Fri 20 Feb 1948 Mon 23 Feb 1948 Thu 26 Feb 1948 Sun 29 Feb 1948 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