Night shift workers who have trouble sleeping may have a condition known as shift work sleep disorder. âWorking non-traditional shifts interferes with the bodyâs circadian rhythms,â says sleep expert Tina Waters, MD. âMost of us are awake during the day because our bodyâs internal clock is keeping us awake.
Election to Congress in 1854 and the Mexican War brought the issue of the expansion of slave territory to the nation's attention. Lincoln formed a clearer position on slavery. He was opposed to black equality and had no intention of disturbing slavery in slave states.
Lincoln ran for Senate in 1858 against Stephen A. Douglas. It was a spirited campaign, and Lincoln and Douglas engaged in seven popular and now famous debates about slavery. Lincoln was not an abolitionist, though he regarded slavery as an evil. He opposed its expansion.