shares of sleep number corp snbr jumped more than 20 in the extended session thursday after the specialty retailer missed expectations for its quarterly sales and dialed down guidance for the year sleep number said it earned 754 million or 3 cents a share in the quarter compared with 35 million 154 a share in the yearago quarter sales fell 16 to 459 million with demand down midsingle digits demand improved throughout the second quarter but it was slightly below company expectations sleep number said analysts polled by factset expected a loss of a penny a share on sales of 471 million “as we continue to navigate a challenging macro environment our business is well positioned for growth” chief executive shelly ibach said in a statement the company updated its fullyear 2023 eps outlook to a range of 125 to 175 assuming sales will be down low to midsingle digits as compared with the prior year shares of sleep number ended the regular trading day down 07