@type t() :: %ExOura.Client.PublicDailyReadiness{
  contributors: ExOura.Client.PublicReadinessContributors.t(),
  day: String.t(),
  id: String.t(),
  score: integer() | nil,
  temperature_deviation: number() | nil,
  temperature_trend_deviation: number() | nil,
  timestamp: String.t()
}