01 Mar 2021 --- Consumers increasingly turn to sleep and relaxations supplements to tackle COVID-19 stress and this market is pegged for further growth in 2021, according to PharmaLinea experts. “Google searches for ‘sleep supplement’ grew in 2020, but in 2021 growth seems to be accelerating – January 2021 saw 37 percent year-over-year growth,” Matevž Ambrožič, marketing and PR director at PharmaLinea, tells NutritionInsight.