Possible Clues:

• Die
• Thirty-one days rest -- 15 could follow that
• If you stop at last it's enough to make you late
• Death case found murdered in river
• A month of rest - it comes to us all
• Is it the turn of the editor to stop and never go again?
• No difficulty to do the dyeing, by the sound of it, after the start of 8 across
• Death, die
• At 22 across you'll do it at 22 across and stop it at 22 across
• Rest at end of year - or of life