Possible Clues:

• That's the end of wee Kay, by the sound of it
• Sun up next
• 2005 novel by Ian McEwan
• Robust, but twice broken by a night of fever?
• Sabbath, for some
• The "S" of SNL
• Ada, rusty, exercising for twenty-four period
• Study Arabic, half drunk, for 24 hours
• It's half a weekend
• One of seven, for example, grabbing a stool