Henry Hudson wanted to find a northern passage to India. He thought that, since the sun shined most of the summer on the North Pole, the ice there would melt in the summer. Perhaps he could sail right over the top of the world to India.
Recovering after a subarachnoid haemorrhage can also be a slow and frustrating process, and it's common to have problems such as: 1  extreme tiredness. 2  headaches. 3  problems sleeping.
A subarachnoid hemorrhage is bleeding from a damaged artery at the surface of the brain. This bleeding often causes a sudden, severe headache. It is a medical emergency. Subarachnoid hemorrhage is a type of stroke. It can cause permanent brain damage. Blood from a subarachnoid hemorrhage pulses into the space between the brain and the skull. It mixes with the cerebrospinal fluid that cushions the brain and spinal cord. As blood flows into the cerebral spinal fluid, it increases the pressure that surrounds the brain.