The invention relates to 3-aza-bicyclo[3.3.0]octane derivatives of the formula (I) wherein R
1
, R
2
, R
3
, and A are as described in the description and their use as orexin receptor antagonists.
The invention relates to 3-aza-bicyclo[3.3.0]octane derivatives of the formula (I) wherein R1, R2, R3, and A are as described in the description and their use as orexin receptor antagonists.
The invention relates to 3-aza-bicyclo[3.3.0]octane derivatives of the formula (I) wherein R1, R2, R3, and A are as described in the description and their use as orexin receptor antagonists.