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What is a word that means before sleeping or before bed, like how postprandial means after dinner?

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up vote 16 down vote accepted

Just as post + prandial [of or relating to a meal (as dinner)] means "after dinner," so pre + somnial [of or relating to sleep or dreams] can mean "before sleep" or "before bedtime."

So: pre-somnial.

"But I was not yet able to trace my day-dreams back in the morning, as I did those of the pre-somnial state." [J. Varendonck, The psychology of day-dreams]

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NB: The presomnial period tends, in the male of the species, to overlap with the postcoital, lasting an average of 45 seconds. – onomatomaniak Nov 24 '11 at 14:18
@onomatomaniak Is that a true fact (and from where)? Or did you make it up? – z7sg Ѫ Nov 24 '11 at 17:39
Maybe from the Aussie "male of the species", who I'm told is equally quick on the precoital side - "Brace yerself, Sheila!" being what passes for foreplay down under. – FumbleFingers Nov 24 '11 at 17:59
@z7sgѪ It is a false fact, but I stand by it nonetheless. – onomatomaniak Nov 24 '11 at 18:37
It's a false fact gained by personal hearsay :-b – Gnawme Nov 24 '11 at 18:40

Bedtime, or is that too childish?

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There is a very obscure Latin term used by medical professionals on prescriptions:

At the hour of sleep; Medical shorthand for "at bedtime". (Source: Wikipedia..)

A preliminary Google search shows up a few results.

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I think you're looking for "hypnagogic"

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That's not what the word means, by dictionaries – New Alexandria Dec 5 '13 at 13:59

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