Date: 1733

"May not the sentient Principle have its Seat in some Place in the Brain, where the Nerves terminate, like the Musician shut up in his Organ-Room? May not the infinite Windings, Convolutions, and Complications of the Beginning of the Nerves which constitute the Brain, serve to d...

— Cheyne, George (1671-1743)

Date: 1785

"[W]hen the mind is absent, and the thoughts are wandering to something else than what is passing in the place in which we are, we are often miserable"

— Paley, William (1743-1805)

Date: 1794

"With shadowy trident how Volition guides, / Surge after surge, his intellectual tides; / Or, Queen of Sleep, Imagination roves / With frantic Sorrows, or delirious Loves."

— Bilsborrow, Dewhurst (fl. 1794)

Date: 1850

"No familiar shapes / Remained, no pleasant images of trees, / Of sea or sky, no colours of green fields; / But huge and mighty forms, that do not live / Like living men, moved slowly through the mind / By day, and were a trouble to my dreams."

— Wordsworth, William (1770-1850)

Date: January 11, 2014

"It's [concerning sleep loss] like the difference between a snowstorm's disrupting a single day of trash pickup and a prolonged strike. No longer quite as easy to fix, and even when the strike is over, there's likely to be some stray debris floating around for quite some time yet."

— Konnikova, Maria (b. 1984)