Well ask her to take a break and do something she loves which helps her recharge
Encourage her, appreciate her and take her out to freshen up her mind.
Never let her alone. Because she may feel loneliness. Always company her. And encouragement is the best feed you can give her as a mother. Have you seen any Hardworking person unpaid? No ,never.
So ask her to get out of her comfort zone .push harder and grow faster. May her hardwork come up with flying colours