Use of somatostatin analogs in sleep apnea

A method for the treatment of sleep apnea in a subject in need thereof, comprising administering to said subject a therapeutically effective amount of a somatostatin analogue selected from KE108 and a somatostatin analogue of formula I

• -(D/L)Trp-Lys-X1-X2- I
• wherein X1 is a radical of formula (a) or (b)
• wherein R1 is optionally substituted phenyl, wherein the substituent may be halogen, methyl, ethyl, methoxy or ethoxy,
• wherein Z1 is O or S, and
• X2 is an α-amino acid having an aromatic residue on the Cα side chain, or an amino acid unit selected from Dab, Dpr, Dpm, His, (Bzl)HyPro, thienyl-Ala, cyclohexyl-Ala and t-butyl-Ala, the residue Lys of said sequence corresponding to the residue Lys9 of the native somatostatin-14, or a pharmaceutically acceptable salt thereof.