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The Curious Bag
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Diurnal depression, or feeling more depressed in the morning than the evening, is generally a symptom of a major depression and may have several causes.
Symptoms
Diurnal depression is not a depression that lifts as the day goes on. On the contrary, the patient usually feels constantly depressed, but with increased severity in the morning.
Circadian Rhythms
Many doctors think diurnal depression is related to our bodies' biological clock, which is why it follows a distinct pattern according to the time of day. When that clock is upset, diurnal depression results.
Seasonal Affective Disorder
Many experts also believe that people who suffer from seasonal affective disorder are more likely to experience diurnal depression. The increased exposure to sunlight over the course of the day helps to elevate the mood slightly, resulting in less severe depression by day's end.
Low Blood Sugar
When you are low on sugar, your mood crashes. Fasting overnight while asleep can result in low blood sugar in the morning and thus a lower mood. As you regulate your blood sugar throughout the day, your mood elevates.
Lack of Sleep
Waking up in the morning after a poor night's sleep may cause a more depressed mood.
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