I think I have heard hit the bed, but hit the hay or hit the sack are certainly much more common. OP - keep an eye out for hit the head, which is a fairly common, informal way to announce that one is going to use the toilet.
Causes of encephalitis. Encephalitis is usually the result of an infection. In many cases this is caused by a virus, but often no cause is found. In the UK, the most common viruses linked to encephalitis are: 1  the herpes simplex viruses, which cause cold sores and genital herpes.2  the varicella zoster virus, which is responsible for chickenpox and shingles.n many cases this is caused by a virus, but often no cause is found. In the UK, the most common viruses linked to encephalitis are: 1  the herpes simplex viruses, which cause cold sores and genital herpes. 2  the varicella zoster virus, which is responsible for chickenpox and shingles.
Japanese encephalitis. Japanese encephalitis (JE), formerly known as Japanese B encephalitis to distinguish it from Economo's A encephalitisâis a disease caused by the mosquito-borne Japanese encephalitis virus (JEV).