at a stretch

:  to extend (one's limbs, one's body, etc.) in a reclining position

:  to reach out :  extend

:  to extend in length

:  an exercise of something (such as the understanding or the imagination) beyond ordinary or normal limits

:  an extension of the scope or application of something

:  the extent to which something may be stretched

:  easily stretched :  elastic

:  longer than the standard size