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.
Many medical conditions can cause secondary excessive daytime sleepiness, including head trauma, stroke, tumors, inflammatory conditions, encephalitis, and genetic and neurodegenerative diseases. Psychiatric conditions, especially depression, can also result in excessive daytime sleepiness.
Insomnia can cause daytime sleepiness. Photo Credit Gabriela Medina/Blend Images/Getty Images. Magnesium is an essential mineral that serves multiple important functions in the body, including enzyme activation, energy production and bone mineralization.