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hyposomnia

n. a reduction in a person’s sleep time, often as a result of insomnia or some other sleep disturbance. See also sleep disorder. Compare hypersomnia.

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Psychology term of the day

May 8th 2024

peptide

peptide

n. a short chain of amino acids linked by peptide bonds. Peptides are usually identified by the number of amino acids in the chain. For example, dipeptides have two amino acids, tripeptides three, tetrapeptides four, and so on. See also polypeptide; protein.