TABLE 4.

Timing of symptom severity for a selected set of diseases There are several diseases and disorders that exhibit symptoms based on the time of day.

Disease	Reference
Morning
Rheumatoid arthritis	Gibbs and Ray, 2013
Heart attacks and myocardial infarction	Muller, 1999
Migraine headaches	Fox and Davis, 1998
Allergy	Gelfand, 2004
Infection	Long et al., 2016
Evening
Peptic ulcers	Jamali et al., 1995
Hypercholesterolemia	Saito et al., 1991
Temporomandibular joint pain	van Grootel et al., 2005
Asthma	Bohadana et al., 2002
Epilepsy	Pavlova et al., 2004