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.
Excessive sleepiness can have serious consequences. You could doze off while waiting at a red light, for example. And not getting good sleep has been associated with high blood pressure, heart disease, diabetes, and weight gain. I do think that perhaps the No. 1 sleep problem in America is willful sleep limitation.