Estimated Income Tax Brackets and Rates In 2017, the income limits for all tax brackets and all filers will be adjusted for inflation and will be as follows (Table 1). The top marginal income tax rate of 39.6 percent will hit taxpayers with taxable income of $418,400 and higher for single filers and $470,700 and higher for married couples filing jointly.
Insomnia is another common cause of excessive sleepiness, in which a person has difficulty falling asleep or staying asleep for the 7-9 hours the body requires. People with insomnia are aware of their sleep struggles, but often don't consult with a doctor to receive proper treatment.
So it's strange to many, including sleep clinicians, that depression can also cause insomnia's opposite-prolonged sleepiness. It's even more of a surprise that forcing people to stay awake at night can improve depression.