insomnia
in-SON-nyah
From Latin 'in' (not) + 'somnus' (sleep). Adjective: 'insonne' (sleepless).
Soffre di insonnia da quando ha cambiato lavoro.
She has suffered from insomnia since changing jobs.
L'insonnia può essere causata dallo stress.
Insomnia can be caused by stress.