Cognition is affected by circadian rhythms over the course of a day. Circadian rhythms in cognitive functioning are driven by a variety of both endogenous and exogenous factors. Patients with schizophrenia are known to have disturbed circadian rhythms that can affect their cognitive functioning.
- Hufford MR, Davis VG, Hilt D, Dgetluck N, Geffen Y, Loebel A, Haig G, Santarelli L, Keefe RSE. Circadian rhythms in cognitive functioning among patients with schizophrenia: impact on signal detection in clinical trials of pro-cognitive therapies. Schizophrenia Research, 2014; 159(1): 205-210.