Luckily, my caffeine-deprivation headaches are just a standard tension headache/possible lead-in to mild migraine for me. But then I have ADD and caffeine has nearly zero effect on my energy levels, etc. It helps me focus my attention a bit better I think.
Shakespeare's most striking departure from Cinthio is the manner of his heroine's death. In Shakespeare, Othello suffocates Desdemona, but in Cinthio, the Moor commissions the Ensign to bludgeon his wife to death with a sand-filled stocking.
1 The two exit, leaving Emilia alone in the room.  Emilia's got her eyes on Desdemona's handkerchief, which Othello dropped during his angry moment. Emilia reveals that this was Othello's first love token to his wife, and her husband, Iago, has often asked her to steal it.